Attachment 341744 Details for Bug 186129 – Testcase

Testcase

186129.html (text/html), 1.55 KB, created by Frédéric Wang (:fredw) on 2018-06-01 01:02:17 PDT

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Filename:

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Creator: Frédéric Wang (:fredw)

Created: 2018-06-01 01:02:17 PDT

Size: 1.55 KB

patch

obsolete

><!DOCTYPE html>
><html>
>  <head>
>    <meta charset="utf-8">
>    <title>animation steps timing function</title>
>    <style>
>      #container {
>        position: absolute;
>        left: 0;
>        top: 3em;
>      }
>      #squareLinear, #squareSteps  {
>        width: 100px;
>        height: 100px;
>        background: blue;
>        position: absolute;
>        left: -50px;
>      }
>      #squareLinear {
>        top: 0px;
>        animation: move 2s linear infinite;
>      }
>      #squareSteps {
>        top: 150px;
>        animation: move 2s steps(4) infinite;
>      }
>      @keyframes move
>      {
>        100% {
>          transform: translate(500px);
>        }
>      }
>      </style>
>      <script>
>	var start = null, index;
>        var animationDuration = 2000;
>	var stepCount = 4;
>	function logTransformMatrix(id) {
>          console.log(`${id}:`, window.getComputedStyle(document.getElementById(id)).getPropertyValue("transform"));
>        }
>        function step(timestamp) {
>	  if (!start) {
>	    start = timestamp;
>	    index = 1;
>	  }
>          var progress = timestamp - start;
>	  if (progress > animationDuration * index / stepCount) {
>	    console.log(`progress: ${progress}`);
>            logTransformMatrix("squareLinear");
>            logTransformMatrix("squareSteps");
>	    index++;
>	  }
>          window.requestAnimationFrame(step);
>	}
>	function runTest() {
>	  window.requestAnimationFrame(step);
>	}
>      </script>
>  </head>
>  <body onload="runTest()">
>    <div id="container">
>      <div id="squareLinear"></div>
>      <div id="squareSteps"></div>
>    </div>
>  </body>
></html>

<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>animation steps timing function</title>
    <style>
      #container {
        position: absolute;
        left: 0;
        top: 3em;
      }
      #squareLinear, #squareSteps  {
        width: 100px;
        height: 100px;
        background: blue;
        position: absolute;
        left: -50px;
      }
      #squareLinear {
        top: 0px;
        animation: move 2s linear infinite;
      }
      #squareSteps {
        top: 150px;
        animation: move 2s steps(4) infinite;
      }
      @keyframes move
      {
        100% {
          transform: translate(500px);
        }
      }
      </style>
      <script>
	var start = null, index;
        var animationDuration = 2000;
	var stepCount = 4;
	function logTransformMatrix(id) {
          console.log(`${id}:`, window.getComputedStyle(document.getElementById(id)).getPropertyValue("transform"));
        }
        function step(timestamp) {
	  if (!start) {
	    start = timestamp;
	    index = 1;
	  }
          var progress = timestamp - start;
	  if (progress > animationDuration * index / stepCount) {
	    console.log(`progress: ${progress}`);
            logTransformMatrix("squareLinear");
            logTransformMatrix("squareSteps");
	    index++;
	  }
          window.requestAnimationFrame(step);
	}
	function runTest() {
	  window.requestAnimationFrame(step);
	}
      </script>
  </head>
  <body onload="runTest()">
    <div id="container">
      <div id="squareLinear"></div>
      <div id="squareSteps"></div>
    </div>
  </body>
</html>

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Attachments on bug 186129: 341648 | 341744 | 342943 | 344178 | 344186